期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 196, 期 -, 页码 274-281出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2012.06.035
关键词
Intermetallics; CeCr2Al20; Kondo effect; Quadrupolar order
资金
- JSPS [21684019]
- MEXT, Japan
- [NSF-DMR1063735]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1063735] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [11J05912, 23102706] Funding Source: KAKEN
Crystal growth and full structure determination of compounds adopting the CeCr2Al20 structure type, LnTi(2)Al(20) (Ln=La-Pr, Sm, and Yb), LnV(2)Al(20) (Ln= La-Pr, and Sm), and LnCr(2)Al(20) (Ln=La-Pr, Sm, and Yb), are reported. Resistivity, magnetic susceptibility, and heat capacity of flux grown single crystals of the nonmagnetic CeM2Al20 (Ln=Ce, Yb; M=Ti, V) compounds are compared to PrCr2Al20. Of particular interest is PrCr2Al20 which does not show any phase transition down to the lowest temperature of the measurement (400 mK in resistivity measurement and 1.8 K for magnetic susceptibility measurements) and exhibits Kondo behavior at low temperatures. (C) 2012 Elsevier Inc. All rights reserved.
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